DRILLING MACHINE HEAD Russian patent published in 2013 - IPC B25D17/02 E21B1/38 

Abstract RU 2484944 C1

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to drilling machine heads. Proposed head comprises generating part with lateral generating surface confined by sensor and convex impact end faces. Said convex impact end face features surface composed by revolution of catenary with parameters a=(3…20)D where d is head impact face diameter around head lengthwise axis.

EFFECT: efficient transfer of kinetic energy to drilling machine waveguide.

1 dwg

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RU 2 484 944 C1

Authors

Zhukov Ivan Alekseevich

Dvornikov Leonid Trofimovich

Dates

2013-06-20Published

2011-12-20Filed